12kv Medium Voltage Sf6 Ring Main Units

• Certification: CCC, ISO9001
• Shell Material: Stainless Steel
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Cabinet
• Transport Package: Wooden Case
• Model NO.: SDC15-12
• Trademark: Dechun
• Origin: Changzhou, Jiangsu, China
• HS Code: 8537209000
• Production Capacity: 30000 PCS/Year

Product Description

Description of SDC Series Switchgear

SDC type SF6 insulated compact switching equipment is modular in design, with its perfect unification of fixed and flexible extension, for your end user or network requirements, meet various distribution switching stations, box-type substation, the needs of cable branch box, compact structure, safe and reliable, long service life, maintenance-free characteristics.

Technical Specification

10kv Technical Specification	C Module	F Module	V Module		CB Module
	Load break switch	Switch fuse	Vacuum circuit breaker	Isolate/ earthing switch	Vacuum circuit breaker	Isolate/ earthing switch
Rated voltage	12	12	24	24	24	24
Power frequence withstand voltage KV	42/48	42/48	42/48	42/48	42/48	42/48
Impulse withstand voltage KV	75/85	75/85	75/85	75/85	75/85	75/85
Rated current A	630	125	630/1250	630/1250
Closed loop A	630
Off load cable charging A	10
Rated active load drop-oput current A	630	630
Earth fault breaking current A	30			25
When earth fault frop-out current of cable charging A	17.4
Short circuit drop-out current KA		31.5	25
Making capacity KA	50	note	63	63	63	63
Short time current 4s KA	20	20	25	20/25	20/25	20/25
Transfer current A		1750
Mechanical life times	5000	5000	10000	3000	10000	3000

Common Used Programme